geography
Which continent have the oldest fossils been found?
physics
The tub of a washer goes into its spin-dry cycle, starting from rest and reaching an angular speed of 2.9 rev/s in 8.5 s. At this point the person doing the laundry opens the lid, and a safety switch turns off the washer. The tub slows to rest in 11.6 s. Through how many...
physics
A remote-controlled car’s wheel accelerates at 22.7 rad/s. If the wheel begins with an angular speed of 11.0 rad/s, what is the wheel’s angular speed after exactly twenty full turns?
physics
A remote-controlled car’s wheel accelerates at 22.7 rad/s. If the wheel begins with an angular speed of 11.0 rad/s, what is the wheel’s angular speed after exactly twenty full turns?
Pre Calc
how much money should i invest at 8.2% compounded continuously if i wish to have $100,000 in 5 years?
physics
The planetMars requires 2.35 years to orbit the sun, which has a mass of 2 × 1030 kg, in an almost circular trajectory. Find the radius of the orbit of Mars as it circles the sun. The gravitational constant is 6.672 × 10−11 N · m2/kg2 . Answer in units...
fractions from least to greatest
1/6 4/24 16/96
Chemistry
H2P4: PHOTON EMISSION An electron in Li2+ falls from n = 2 to the ground state. Calculate the wavenumber, (νˉ), of the emitted photon.
physics
A wagon is pulled by a handle making an upward angle of 25° with a force of 25 N. What is the horizontal force pulling the wagon foward? What is the force lifting the wagon off the road?
physics
A 0.104 kg rock is attached to a 1.92 m long string and swung in a horizontal circle at a speed of 29.7 m/s. Find the tension in the string. Neglect the effect of gravity.
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